Method for manufacturing Fe-based sintered alloy member having excellent dimensional accuracy, strength and sliding performance
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United States of America Patent
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Issued Date -
May 18, 2006
app pub date -
Nov 18, 2004
filing date -
Nov 18, 2004
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Abandoned
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Abstract
In a method of manufacturing an Fe-based sintered alloy member having excellent dimensional accuracy, strength, and sliding performance, and having a composition comprising: Cu: 0.5 to 7 wt %; C: 0.1 to 0.98 wt %; oxygen: 0.02 to 0.3 wt %; as needed, Mn: 0.0025 to 1.05 wt % and/or Zn: 0.001 to 0.7 wt %; and a balance of Fe and inevitable impurities by blending and mixing an Fe powder, a graphite powder, and a Cu alloy powder as a base powder and by forming and sintering the resultant mixture, in which the Cu alloy powder blended as the base powder has a composition comprising: Fe: 1 to 10 wt %; oxygen: 0.2 to 1 wt %; as needed, Zn: 0.2 to 10 wt % and/or Mn: 0.5 to 15 wt %; and a balance of Cu and inevitable impurities.
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